Dictionary / Vocabulary / 泣き付く
なきつく
to cling to ... in tears; to beg ... in tears; to appeal; to throw oneself on someone's mercy
Also written 泣付く、泣きつく
後生だから助けてくれと泣きついた。
She implored for mercy.
案の定、あの業者今日になって泣きついてきたよ。
Just like I thought, the contractor came back today, begging for more time.